Increase in financing support available to affiliates

No definition available.

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- Definition

Lease agreement expiration year.

+ References

No definition available.

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- Definition

Maximum amount of loans allowed to purchase from related party per year.

+ References

No definition available.

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- Definition

For an unclassified balance sheet, amounts of subvention support due from parties associated with the reporting entity.

+ References

No definition available.

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- Definition

Ratio of insurance contracts that are subject to reinsurance participation to all contracts in force.

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No definition available.

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- Definition

Amount of paid and unpaid cash dividends declared for classes of stock, for example, but not limited to, common and preferred.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Related Party Transactions - Additional Information (Details) $ in Millions, ¥ in Billions	12 Months Ended
	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)	Mar. 31, 2025 JPY (¥)
Related Party Transaction [Line Items]
Subvention support receivable	$ 106	$ 111
Three Year Revolving Credit Facility Expiring 2028 [Member]
Related Party Transaction [Line Items]
Maximum borrowing capacity	5,000
Financing Support from Affiliates [Member]
Related Party Transaction [Line Items]
Maximum borrowing capacity	8,300	8,400
Financing Support to Affiliates [Member]
Related Party Transaction [Line Items]
Maximum borrowing capacity	10,100	10,200
Toyota Financial Services International Corporation [Member]
Related Party Transaction [Line Items]
Declared and paid cash dividends	1,500	$ 979
Toyota Financial Savings Bank [Member] \| Residential Mortgage [Member] \| Other Financing Support Arrangements [Member]
Related Party Transaction [Line Items]
Annual maximum participation	$ 60
TMNA [Member] \| Operational Support Arrangements [Member]
Related Party Transaction [Line Items]
Lease agreement expiration year	2032
TMNA [Member] \| Operational Support Arrangements [Member] \| Dallas Data Center [Member]
Related Party Transaction [Line Items]
Lease agreement expiration year	2026
TMIS [Member] \| Operational Support Arrangements [Member]
Related Party Transaction [Line Items]
Risk ceded to reinsurers	95.00%	99.00%
Toyota Finance Corporation \| Financing Support to Affiliates [Member]
Related Party Transaction [Line Items]
Increase in financing support available to affiliates	$ 2,000		¥ 300